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-rw-r--r--internal.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/internal.h b/internal.h
index 1a75532e790..b47430cd7da 100644
--- a/internal.h
+++ b/internal.h
@@ -903,6 +903,8 @@ VALUE rb_insns_name_array(void);
/* complex.c */
VALUE rb_complex_plus(VALUE, VALUE);
VALUE rb_complex_mul(VALUE, VALUE);
+VALUE rb_complex_abs(VALUE x);
+VALUE rb_complex_sqrt(VALUE x);
/* cont.c */
VALUE rb_obj_is_fiber(VALUE);
@@ -1083,9 +1085,7 @@ VALUE rb_math_hypot(VALUE, VALUE);
VALUE rb_math_log(int argc, const VALUE *argv);
VALUE rb_math_sin(VALUE);
VALUE rb_math_sinh(VALUE);
-#if 0
VALUE rb_math_sqrt(VALUE);
-#endif
/* newline.c */
void Init_newline(void);